Fungal infections in your toenails are caused by dermatophytes, yeasts, or molds, which can enter through a crack in the nail, a cut in the skin near it, or a separation between the nail and skin. Symptoms include discolored, thickened, brittle, crumbly, or misshapen nails.
Birth control propaganda wouldn't cut it, and the government sought a more forceful method of population control. In 1979 they introduced a policy that limiting some families to having only one child.
Why did Deng Xiaoping only apply the one child policy to the Han Chinese? He wanted the Han Chinese to have one child so they could give the child a good education and make sure they made money. He wanted the non-Han Chinese (farmers) to have a lot of kids so that the farms had more people working on them, and therefore more food.